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ovl: fix creds leak in copy up error path

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Fixes: 42f269b925 ("ovl: rearrange code in ovl_copy_up_locked()")
Cc: <stable@vger.kernel.org> # v4.11
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Amir Goldstein 2017-05-16 08:45:46 +03:00 committed by Miklos Szeredi
parent 72d42504bd
commit 8137ae26d2
1 changed files with 6 additions and 5 deletions
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11
fs/overlayfs/copy_up.c
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@ -343,12 +343,13 @@ static int ovl_copy_up_locked(struct dentry *workdir, struct dentry *upperdir,
temp = ovl_do_tmpfile(upperdir, stat->mode);
else
temp = ovl_lookup_temp(workdir, dentry);
err = PTR_ERR(temp);
if (IS_ERR(temp))
goto out1;
err = 0;
if (!tmpfile)
if (IS_ERR(temp)) {
err = PTR_ERR(temp);
temp = NULL;
}
if (!err && !tmpfile)
err = ovl_create_real(wdir, temp, &cattr, NULL, true);
if (new_creds) {